Home / 38,294.55-52,845.56-20,831.43

Finding the Fourth Proportional to 38,294.55, 52,845.56 and 20,831.43

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Solution

The fourth proportional to 38,294.55, 52,845.56 and 20,831.43 is: 28,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,294.55 : 52,845.56 = 20,831.43 : x
  2. Step 2: Convert to fraction form
    38,294.55/52,845.56 = 20,831.43/x
  3. Step 3: Cross multiply
    38,294.55x = 52,845.56 × 20,831.43
  4. Step 4: Simplify right side
    38,294.55x = 1,100,848,479.79
  5. Step 5: Solve for x
    x = 1,100,848,479.79/38,294.55
  6. Step 6: Final answer
    x = 28,746.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.